CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in PowerDNS Recursor up to 3.1.3 (Domain Name Software). This affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Buffer overflow in PowerDNS Recursor 3.1.3 and earlier might allow remote attackers to execute arbitrary code via a malformed TCP DNS query that prevents Recursor from properly calculating the TCP DNS query length.
The bug was discovered 11/13/2006. The weakness was disclosed 11/14/2006 (Website). The advisory is shared at debian.org. This vulnerability is uniquely identified as CVE-2006-4251 since 08/21/2006. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 23660 (Debian DSA-1211-1 : pdns - buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165117 (SUSE Security Update for pdns (SUSE-SA:2006:070)).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (30270) and Tenable (23660). The entry 33244 is pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 23660
Nessus Name: Debian DSA-1211-1 : pdns - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 57584
OpenVAS Name: Debian Security Advisory DSA 1211-1 (pdns)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
08/21/2006 🔍11/13/2006 🔍
11/13/2006 🔍
11/13/2006 🔍
11/14/2006 🔍
11/14/2006 🔍
11/14/2006 🔍
11/14/2006 🔍
11/20/2006 🔍
11/28/2006 🔍
03/12/2015 🔍
07/11/2019 🔍
Sources
Advisory: debian.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2006-4251 (🔍)
X-Force: 30270
Vulnerability Center: 13143 - PowerDNS Recursor 3.1.3 Remote Code Execution Via Malformed TCP DNS Queries, High
SecurityFocus: 21037 - PowerDNS Remote Denial of Service and Buffer Overflow Vulnerabilities
Secunia: 22824 - PowerDNS Recursor Two Vulnerabilities, Highly Critical
OSVDB: 30334 - CVE-2006-4251 - PowerDNS Recursor - Buffer Overflow Issue
Vupen: ADV-2006-4484
See also: 🔍
Entry
Created: 03/12/2015 22:21Updated: 07/11/2019 07:30
Changes: 03/12/2015 22:21 (79), 07/11/2019 07:30 (5)
Complete: 🔍
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